What is Authid Current_user in Oracle package?
Answer: The authid current_user is used when you want a piece of code (PL/SQL) to execute with the privileges of the current user, and NOT the user ID that created the procedure. In order for a PL/SQL package to run with invokers rights AUTHID CURRENT_USER has to be explicitly written into the package.
What is Authid Definer in Oracle?
The authid definer rights is the opposite of the authid current_user clause. Essentially the same as the “grant execute:” clause” the authid definer rights allows the specified users’ grants to be used for privileges within Oracle.
How do I create a procedure within an Oracle package?
To create a stored procedure in a PL/SQL package:
- In the Data Project Explorer, right-click the PL/SQL Packages folder in a project, and click New > PL/SQL Package.
- Complete the steps of the wizard.
- In the specification, add the stored procedure name and variables.
What is Authid in package?
The AUTHID clause of the package specification determines whether the subprograms and cursors in the package run with the privileges of their definer (the default) or invoker, and whether their unqualified references to schema objects are resolved in the schema of the definer or invoker.
Is Pragma an autonomoustransaction?
The AUTONOMOUS_TRANSACTION pragma changes the way a subprogram works within a transaction. A subprogram marked with this pragma can do SQL operations and commit or roll back those operations, without committing or rolling back the data in the main transaction.
What is SQL package?
In PL/SQL, a package is a schema object that contains definitions for a group of related functionalities. A package includes variables, constants, cursors, exceptions, procedures, functions, and subprograms. It is compiled and stored in the Oracle Database. Typically, a package has a specification and a body.
What are the components of a package?
Packages consist of two main components: the package specification and the package body. The package specification is the public interface, comprising the elements that can be referenced outside of the package. A package specification is created by executing the CREATE PACKAGE statement.
What is the use of Nocopy parameter in Oracle procedure?
The NOCOPY hint tells the PL/SQL compiler to pass OUT and IN OUT parameters by reference, rather than by value. When parameters are passed by value, the contents of the OUT and IN OUT parameters are copied to temporary variables, which are then used by the subprogram being called.